Mobile Crane Operator a 60 Exam Questions with Complete Solutions
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Course
Nccer mobile crane
Institution
Nccer Mobile Crane
In what situation does a hard hat NOT need to be worn when operating a mobile crane? - Answer-When the operator is in an enclosed structure that meets the FOPS regulation FALLING OBJECT STRUCTURE
Wind speeds can be variable throughout the working day. What action must be taken to ensure safe wor...
Mobile Crane Operator a 60 Exam
Questions with Complete Solutions
In what situation does a hard hat NOT need to be worn when operating a mobile crane?
- Answer-When the operator is in an enclosed structure that meets the FOPS regulation
FALLING OBJECT STRUCTURE
Wind speeds can be variable throughout the working day. What action must be taken to
ensure safe working conditions are maintained? - Answer-Wind speeds must be
constantly monitored
Name THREE ways in which an operator can minimize their impact upon the
environment whilst using the machine. - Answer-Efficient use of the crane , Lower
engine speed ,Well maintained machine, Correct disposal waste , planning the work
before to maximize efficiency
When working in a confined area or space: what danger can be present with regards to
the counterweight of the machine, when should measures be taken and what measures
should be implemented? - Answer-The gap between the counterweight and a structure
being reduced or contacted the object structure when slewing . Minimum 600mm .
Ensure sufficient clearance or block the access in the area .
As a lifting machine, the crane must be thoroughly examined. What is the purpose of
the examination and who would carry out the examination? - Answer-To ensure the
crane is free from structural defects and problems not covered by the daily checks . AN
AUTHORISED AND COMPETENT PERSON
Two cranes are working in the same vicinity that encroach the operating radius of each.
What actions would the lift plan or method statement normally specify? - Answer-Crane
Co-ordinator , Slew Restrictors , Crash Radio's
Why should a crane be re-fueled at the end of the day? - Answer-To prevent
condensation building up in the tank as it's cooling down
Which parts of the crane is the radius (for lifting) measured from? - Answer-From the
centre of the slew ring to the central point of the hook
What is the purpose of a roll or ROPS frame? - Answer-The purpose of the ROPS is to
provide protection in the eventuality of a rollover with the machine ROLL OVER
PROTECTIVE STRUCTURE
What is the purpose of a Method Statement and what is required of the operator? -
Answer-A method statement describes how the work will be done safely and efficiently .
The Operator must be compliant with the Method Statement .
, Apart from the operator, who else may need to use the machine's Operator's Manual? -
Answer-Maintenance Staff , Supervisors and Transporter Drivers
During the lifting operation, part of the task cannot be carried out as detailed in the lift
plan. What initially must happen to the lifting operation and who authorizes any
changes? - Answer-The Operation must stop until the plan is amended . The appointed
Person
What is the main purpose of the Rated Capacity Indicator (RCI)? - Answer-A device that
automatically provides to the operator warnings that the load is approaching or is
Exceeding the rated capacity of the crane within a specified tolerance
Who only can authorize partial outrigger extensions and what is the effect on lifting
capacity by partially extending the outriggers? - Answer-The Manufacturer , Lifting
Capacity is normally reduced
Name THREE ways in which wind speed can affect the lifting operation. - Answer-Can
cause load swing , can Slow or Increase the Slew speed of the crane , can shut down
lifting operations
What is the purpose of the hoisting limit switch (also known as the 'chandelier')? -
Answer-To prevent the hook block contacting the pulley
If the crane has to travel on the public highway, the Road Traffic Act applies. What type
of licence and which classes should the operator hold and what is the minimum age
allowed? - Answer-A full UK driving license with category C if the crane is over 7.5
tonnes and C 1 if the crane is under 7.5 tonnes minimum 21 years of age if the crane is
over 7.5 tonnes minimum 18 of the age if the crane is under 7.5 tonnes
What THREE main duties of The Health and Safety at Work Act must employees
follow? - Answer-Protect themselves and Others who may be affected by their acts or
omissions . Co-Operate with the employer . Avoid interference , intentionally or
Recklessly with anything provided for safety.
On a busy construction site, how would the slinger/signaller be identified to the crane
operator? - Answer-By wearing Special and Unique colored clothing
What is the definition of, or how can a hazard be described? - Answer-A Hazard is
anything that can cause harm to People , Property , Environment .
Name TWO things that happen if the hoist rope is not vertical when lifting a load. -
Answer-The Load can drag and excess load can be placed on the jib and or frame ,
Load can Slide
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